WO2000049607A3 - Magnetic data storage tape with etched servo track - Google Patents
Magnetic data storage tape with etched servo track Download PDFInfo
- Publication number
- WO2000049607A3 WO2000049607A3 PCT/US2000/003225 US0003225W WO0049607A3 WO 2000049607 A3 WO2000049607 A3 WO 2000049607A3 US 0003225 W US0003225 W US 0003225W WO 0049607 A3 WO0049607 A3 WO 0049607A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- etched
- magnetically
- read
- data storage
- servo
- Prior art date
Links
- 238000013500 data storage Methods 0.000 title abstract 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 230000003287 optical effect Effects 0.000 abstract 2
- 238000005530 etching Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
- G11B5/59633—Servo formatting
Abstract
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000600268A JP2002537623A (en) | 1999-02-17 | 2000-02-08 | Magnetic data storage tape with etched servo tracks |
DE10084269T DE10084269T1 (en) | 1999-02-17 | 2000-02-08 | Data storage magnetic tape with etched servo track |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/251,648 US6433951B1 (en) | 1999-02-17 | 1999-02-17 | Magnetic data storage tape with etched servo pattern, method of manufacturing same, and method of servo positioning on same |
US09/251,648 | 1999-02-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000049607A2 WO2000049607A2 (en) | 2000-08-24 |
WO2000049607A3 true WO2000049607A3 (en) | 2000-12-14 |
Family
ID=22952844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/003225 WO2000049607A2 (en) | 1999-02-17 | 2000-02-08 | Magnetic data storage tape with etched servo track |
Country Status (4)
Country | Link |
---|---|
US (1) | US6433951B1 (en) |
JP (1) | JP2002537623A (en) |
DE (1) | DE10084269T1 (en) |
WO (1) | WO2000049607A2 (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4293733B2 (en) * | 1999-02-16 | 2009-07-08 | クウォンタム・コーポレイション | Servo signal writing method to magnetic tape |
US6606220B1 (en) * | 1999-06-11 | 2003-08-12 | Quantum Corporation | Systems and methods for providing beginning-of-tape and end-of-tape indicators |
US6961200B2 (en) * | 1999-07-27 | 2005-11-01 | Quantum Corporation | Optical servo track identification on tape storage media |
US6493174B1 (en) * | 2000-02-17 | 2002-12-10 | Imation Corp. | Optical servo system for use with magnetic data storage tape having magnetic reference indicators |
US6940676B1 (en) * | 2000-06-07 | 2005-09-06 | Quantum Corporation | Triple push-pull optical tracking system |
US6940681B2 (en) * | 2001-08-20 | 2005-09-06 | Quantum Corporation | Optical to magnetic alignment in magnetic tape system |
US6856484B2 (en) * | 2001-09-05 | 2005-02-15 | Quantum Corporation | Magnetic servo of a recording head |
US7511912B2 (en) * | 2002-11-22 | 2009-03-31 | Seagate Technology Llc | Writing multiple servo sector patterns to improve servo sector alignment on multiple surfaces |
US6980390B2 (en) * | 2003-02-05 | 2005-12-27 | Quantum Corporation | Magnetic media with embedded optical servo tracks |
US7102845B2 (en) * | 2003-10-20 | 2006-09-05 | Quantum Corporation | Servo methods and systems using existing data structures and medium edge position |
US7085095B2 (en) * | 2003-10-20 | 2006-08-01 | Quantum Corporation | Electromagnetic void-sensing probes and position control systems |
US7149050B2 (en) | 2003-10-20 | 2006-12-12 | Quantum Corporation | Diffractive position sensors and control systems |
US7136255B2 (en) * | 2003-10-20 | 2006-11-14 | Quantum Corporation | Servo methods and systems using masked medium edge position sensors |
US7116514B2 (en) * | 2003-10-20 | 2006-10-03 | Quantum Corporation | Methods and systems for magnetic recording |
US7139152B2 (en) * | 2003-10-20 | 2006-11-21 | Quantum Corporation | Servo methods and systems using existing data structures and optical masks |
US7184233B2 (en) * | 2004-06-04 | 2007-02-27 | Quantum Corporation | Dual source tracking servo systems and associated methods |
GB2419221B (en) * | 2004-10-14 | 2009-12-02 | Hewlett Packard Development Co | Tape drive apparatus |
US7499235B2 (en) * | 2005-03-18 | 2009-03-03 | Quantum Corporation | Auto-servo tape system and associated recording head |
US7414803B2 (en) * | 2005-05-19 | 2008-08-19 | Quantum Corporation | Write protected magnetic storage media and associated methods |
US7265922B2 (en) * | 2005-10-27 | 2007-09-04 | International Business Machines Corporation | Asperity data storage system, method and medium |
US8576505B2 (en) * | 2005-10-28 | 2013-11-05 | Hewlett-Packard Development Company, L.P. | Tape drive apparatus and method |
US7826169B2 (en) * | 2007-04-25 | 2010-11-02 | Quantum Corporation | Servo error detection and compensation utilizing virtual data tracking servo methods |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6070543A (en) * | 1983-09-28 | 1985-04-22 | Toshiba Corp | Information recording carrier |
US4645722A (en) * | 1983-09-22 | 1987-02-24 | Director-General Of Agency Of Industrial Science & Technology | Photo-thermo-magnetic recording medium and method of preparing same |
JPS6442044A (en) * | 1987-08-10 | 1989-02-14 | Nec Corp | Optical recording medium |
JPH03201215A (en) * | 1989-12-27 | 1991-09-03 | Tdk Corp | Magnetic recording medium and method of magnetic recording and reproducing |
US5089358A (en) * | 1988-11-05 | 1992-02-18 | Brother Kogyo Kabushiki Kaisha | Optical recording medium |
US5283773A (en) * | 1992-06-10 | 1994-02-01 | Iomega Corporation | Steering laser beam while etching optical servo tracks for magnetic disks |
US5619480A (en) * | 1992-11-06 | 1997-04-08 | Mitsubishi Chemical Corporation | Magnetic recording medium and recording/reproducing method therefor as well as information processing apparatus by means thereof |
US5674583A (en) * | 1989-11-22 | 1997-10-07 | Sharp Kabushiki Kaisha | Optical recording medium and manufacturing method thereof |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4315283A (en) | 1976-04-08 | 1982-02-09 | Victor Company Of Japan, Ltd. | High density recording system using side-by-side information and servo tracks |
US4816939A (en) * | 1986-08-21 | 1989-03-28 | Polaroid Corporation | Magnetic recording media and servo systems using light-transmitting optical gratings |
US4843494A (en) * | 1987-10-15 | 1989-06-27 | Polaroid Corporation | Data storage apparatus using optical servo tracks |
US4961123A (en) * | 1988-06-03 | 1990-10-02 | Insite Peripherals | Magnetic information media storage with optical servo tracks |
US5067039A (en) | 1989-10-20 | 1991-11-19 | Insite Peripherals, Inc. | High track density magnetic media with pitted optical servo tracks and method for stamping the tracks on the media |
US5279775A (en) | 1992-06-10 | 1994-01-18 | Iomega Corporation | Acousto-optical intensity control of laser beam during etching of optical servo information of magnetic media |
GB9224003D0 (en) * | 1992-11-16 | 1993-01-06 | Minnesota Mining & Mfg | Magnetic recording materials |
US5689384A (en) | 1994-06-30 | 1997-11-18 | International Business Machines Corporation | Timing based servo system for magnetic tape systems |
JPH0850716A (en) * | 1994-08-03 | 1996-02-20 | Hitachi Maxell Ltd | Magnetic recording medium |
US6018434A (en) * | 1997-01-14 | 2000-01-25 | Quantum Corporation | Tape cartridge having written-in-defect servo patterns for rapid head position calibration |
-
1999
- 1999-02-17 US US09/251,648 patent/US6433951B1/en not_active Expired - Fee Related
-
2000
- 2000-02-08 JP JP2000600268A patent/JP2002537623A/en active Pending
- 2000-02-08 WO PCT/US2000/003225 patent/WO2000049607A2/en active Application Filing
- 2000-02-08 DE DE10084269T patent/DE10084269T1/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4645722A (en) * | 1983-09-22 | 1987-02-24 | Director-General Of Agency Of Industrial Science & Technology | Photo-thermo-magnetic recording medium and method of preparing same |
JPS6070543A (en) * | 1983-09-28 | 1985-04-22 | Toshiba Corp | Information recording carrier |
JPS6442044A (en) * | 1987-08-10 | 1989-02-14 | Nec Corp | Optical recording medium |
US5089358A (en) * | 1988-11-05 | 1992-02-18 | Brother Kogyo Kabushiki Kaisha | Optical recording medium |
US5674583A (en) * | 1989-11-22 | 1997-10-07 | Sharp Kabushiki Kaisha | Optical recording medium and manufacturing method thereof |
JPH03201215A (en) * | 1989-12-27 | 1991-09-03 | Tdk Corp | Magnetic recording medium and method of magnetic recording and reproducing |
US5283773A (en) * | 1992-06-10 | 1994-02-01 | Iomega Corporation | Steering laser beam while etching optical servo tracks for magnetic disks |
US5619480A (en) * | 1992-11-06 | 1997-04-08 | Mitsubishi Chemical Corporation | Magnetic recording medium and recording/reproducing method therefor as well as information processing apparatus by means thereof |
Non-Patent Citations (3)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 009, no. 210 (P - 383) 28 August 1985 (1985-08-28) * |
PATENT ABSTRACTS OF JAPAN vol. 013, no. 239 (P - 879) 6 June 1989 (1989-06-06) * |
PATENT ABSTRACTS OF JAPAN vol. 015, no. 469 (P - 1281) 27 November 1991 (1991-11-27) * |
Also Published As
Publication number | Publication date |
---|---|
US6433951B1 (en) | 2002-08-13 |
DE10084269T1 (en) | 2002-03-28 |
JP2002537623A (en) | 2002-11-05 |
WO2000049607A2 (en) | 2000-08-24 |
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